Dishwasher not draining issue usually occurs due to kinked drain pipe, clogged drain filter or drain pump. Check the drain hose for any visible clogging, remove if present. If no visible lint is present then remove then turn off the dishwasher and remove the drain hose and check for any visible clogging. If still not visible then the drain filter or drain pump is clogged and you'll need to clean the drain filter and drain pump. Please note that dishwashers don't drain out the complete water such that heating element doesn't overheat. Hope this helps... Please post back for any further assistance.
using tape measure measure your item of here is dimensions. you can buy a DW that is 24 inches wide, very easy to do. It is a standard size DW
Width23.875"Depth24.5"Height33.875"
Try a mainboard Reset. Pull the mains plug before bed tonight. Tomorrow, press and hold the on button for 30 seconds, then let go and plug it back in.
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My plan was to see if I could find you a service manual, but strangely, the only reference to that model number is your post here! My guess is the D6 is 'D for Dishwasher' and 'Series 6' or 6 models in that current series.
If the machine has been laid up or little used, check all the connection on the control board. Clean pins and plugs with electrical switch cleaner
https://www.google.com/search?q=DU940QWD6
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Most likely a bad heating element..
https://www.youtube.com/watch?v=am-fhX92rbw
You can call Repairclinic 800# too, and talk with a tech, before throwing parts at it. 800-269-2609.
Best to you.
Miniplayer (i)
We'll also want to shut off the inlet watersupply and disconnect that as well.
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Please refer to youtube " Whirlpool Dishwasher Repair - How to Replace the Pump (Whirlpool # W11032770) "
